92HD90 Datasheet, PDF (301/302 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD90
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
10. DOCUMENT REVISION HISTORY
Revision
0.5
0.8
0.85
0.9
0.91
0.92
0.93
1.0
1.1
Date
March 2010
March 2010
June 2010
September 2010
October 2010
May 2011
June 2011
October 2011
January 2012
Description of Change
Initial release
Added widget details, front page feature bullet updates
Port E updated to add HPhnEn R/W bit in the Pin Cntrl widget and as HPCapable in the widget
capabilities.
Added changes for YA silicon revision (ZA/ZB prior settings referenced)
Port C support added in YA revision, updated pinout (Port C L/R pins 19/20, previously no connect),
widget list, widget diagram, and functional diagram to include support. Widget for Port C updated,
ADC0Muxm ADC1Mux and Mixer widgets updated to add connection for Port C. AFG EAPD bit
added for PortE Headphone control. AFG ComJack bits added to select debounce time. Removed
SCS support. Updated conditions of performance characteristics, added HDA signalling voltage to
condition for power measurements. Default changed on BTL/HD_Mode from 0 to 1. Added Pin
Configuration Default Settings.Corrected Combo Jack diagram.
Updated LDO Level Control values. Corrected step size and thermal trip in BTL section. Updated
SPKVOL L/R step size to .75dB. Added additional verb for updating speaker L and R volume at the
same time (to match HDA implementation). Widget 22h verbs added/reordered. Added description
text for High pass and Mono band pass filter features.
Corrected Sense A/B description and table.
Corrected front page bullet for BTL voltage.
Corrected Left vs Right channel for the EQ coefficients to match silicon. Updated electrical
characteristics for typical values. Removed Preliminary. Removed comments related to ZA and ZB
silicon since they were non-production. Added WB silicon widget items: ComboJackTiming in the
AFG and ScStableTimeSel added to AFG AnaBTL. Added PVDD value for the digital maximum
supply voltage and footnote to the GPIO characteristics for the Input Low and High Voltage. Added
missing EAPD widget details.
Corrections for 022FB0 / 0227B0 to 022FB6 / 0227B6 as they are not reachable via NID22 but must
be accessed through the Port Nodes.UpdatedNID22 registers with reset information, which is
different for WC silicon revision.
IDT CONFIDENTIAL
301
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD90